package co.edu.usbcali.unidad.dataaccess.dao;

import co.edu.usbcali.unidad.dataaccess.sessionFactory.HibernateSessionFactory;
import co.edu.usbcali.unidad.modelo.Usuario;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;

import org.hibernate.criterion.Example;

import java.math.BigDecimal;

import java.util.Date;
import java.util.List;
import java.util.Set;

/**
 * A data access object (DAO) providing persistence and search support for
 * Usuario entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 **/
public class UsuarioDAO implements IUsuarioDAO {
	private static final Log log = LogFactory.getLog(UsuarioDAO.class);

	// property constants
	// public static final String USUCODIGO = "usuCodigo";
	public static final String USUCODIGO = "usuCodigo";

	// public static final String USUCONTRASENA = "usuContrasena";
	public static final String USUCONTRASENA = "usuContrasena";

	// public static final String USULOGIN = "usuLogin";
	public static final String USULOGIN = "usuLogin";

	private Session getSession() {
		return HibernateSessionFactory.getSession();
	}

	/**
	 * 
	 * @param Instance
	 *            Usuario Instance to persist
	 * @throws RuntimeException
	 *             when the operation fails
	 */
	public void save(Usuario instance) {
		log.debug("saving Usuario instance");

		try {
			getSession().save(instance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/**
	 * @param Instance
	 *            Usuario Instance to delete
	 * @throws RuntimeException
	 *             when the operation fails
	 */
	public void delete(Usuario instance) {
		log.debug("deleting Usuario instance");

		try {
			getSession().delete(instance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/**
	 * 
	 * @param Instance
	 *            Usuario Instance to update
	 * @throws RuntimeException
	 *             when the operation fails
	 */
	public void update(Usuario instance) {
		log.debug("updating Usuario instance");

		try {
			getSession().update(instance);
			log.debug("update successful");
		} catch (RuntimeException re) {
			log.error("update failed", re);
			throw re;
		}
	}

	public Usuario findById(String id) {
		log.debug("finding Usuario instance with id: " + id);

		try {
			Usuario instance = (Usuario) getSession().get(Usuario.class, id);

			return instance;
		} catch (RuntimeException re) {
			log.error("finding Usuario failed", re);
			throw re;
		}
	}

	public List<Usuario> findByExample(Usuario instance) {
		log.debug("finding Usuario instance by example");

		try {
			List results = getSession().createCriteria("Usuario").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());

			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	/**
	 * Find all Usuario entities with a specific property value.
	 * 
	 * @param value
	 *            the property value to match
	 * @param propertyName
	 *            the property to search in the instance
	 * @return List< Usuario> found by query
	 */
	public List<Usuario> findByProperty(String propertyName, Object value) {
		log.debug("finding Usuario instance with property: " + propertyName
				+ ", value: " + value);

		try {
			String queryString = "from Usuario as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);

			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Usuario> findByUsuCodigo(Object usuCodigo) {
		return findByProperty(USUCODIGO, usuCodigo);
	}

	public List<Usuario> findByUsuContrasena(Object usuContrasena) {
		return findByProperty(USUCONTRASENA, usuContrasena);
	}

	public List<Usuario> findByUsuLogin(Object usuLogin) {
		return findByProperty(USULOGIN, usuLogin);
	}

	/**
	 * Find all Usuario entities.
	 * 
	 * @return List<Usuario> all Usuario instances
	 */
	public List<Usuario> findAll() {
		log.debug("finding all Usuario instances");

		try {
			String queryString = "from Usuario";
			Query queryObject = getSession().createQuery(queryString);

			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public List<Usuario> findByCriteria(String whereCondition) {
		log.debug("finding Usuario " + whereCondition);

		try {
			String where = ((whereCondition == null) || (whereCondition
					.length() == 0)) ? "" : ("where " + whereCondition);
			final String queryString = "select model from Usuario model "
					+ where;
			Query query = getSession().createQuery(queryString);
			List<Usuario> entitiesList = query.list();

			return entitiesList;
		} catch (RuntimeException re) {
			log.error("find By Criteria in Usuario failed", re);
			throw re;
		}
	}

	public List<Usuario> findPageUsuario(String sortColumnName,
			boolean sortAscending, int startRow, int maxResults) {
		log.debug("finding Usuario findPageUsuario");

		if ((sortColumnName != null) && (sortColumnName.length() > 0)) {
			try {
				String queryString = "select model from Usuario model order by model."
						+ sortColumnName
						+ " "
						+ (sortAscending ? "asc" : "desc");

				return getSession().createQuery(queryString).setFirstResult(
						startRow).setMaxResults(maxResults).list();
			} catch (RuntimeException re) {
				throw re;
			}
		} else {
			try {
				String queryString = "select model from Usuario model";

				return getSession().createQuery(queryString).setFirstResult(
						startRow).setMaxResults(maxResults).list();
			} catch (RuntimeException re) {
				throw re;
			}
		}
	}

	public Long findTotalNumberUsuario() {
		log.debug("finding Usuario count");

		try {
			String queryString = "select count(*) from Usuario model";
			Query queryObject = getSession().createQuery(queryString);

			return (Long) queryObject.list().get(0);
		} catch (RuntimeException re) {
			throw re;
		}
	}
	/**
	 * public Usuario findByLogUsuario(String login) { Usuario usuario = null;
	 * Set<String> roles = new HashSet<String>(); if (login.equals()) {
	 * roles.add("ROLE_URLACCESS"); usuario = new Usuario("john", "John",
	 * "Turner", "john", roles); } else if (userName.equals("jim")) { appUser =
	 * new AppUser("jim", "Jim", "Daniel", "jim", roles); } else if
	 * (userName.equals("tina")) { roles.add("ROLE_ALLACCESS"); appUser = new
	 * AppUser("tina", "Tina", "Joseph", "tina", roles); } return appUser;
	 * 
	 * 
	 * }
	 **/
}
